C語言鍊錶的插入和刪除 建立

choicetxt.h

//執行要重複的**，選擇執行的醒目並將結果付給choice

#include"stdio.h"

int choicetxt()

int choice()

else}}

creat.c

#include"stdio.h"

#include"stdlib.h"

#include"define.h"

extern count;

struct stulist *creat()

printf("/t請輸入姓名:");

fflush(stdin);

scanf("%s",pc->stuname);

printf("/t請輸入學號:");

fflush(stdin);

scanf("%d",&pc->stuid);

printf("/t請輸入成績:");

fflush(stdin);

scanf("%d",&pc->stsoult);

if(count==0)

head = pf = pc;

else pf->next = pc;//前一條紀律的next指向當前記錄

count++;

pc->next = null;

pf = pc;

printf("/t是否還要輸入:");

scanf("%d",&yn);

if(yn == 0 )

return head;}}

define.h

// 定義用於鍊錶的結構

struct stulist

;dele.c

#include"stdio.h"

#include"define.h"

#include"stdlib.h"

struct stulist *dele(struct stulist *head)

printf("/t請你輸入你要刪除的的學生學號:");

scanf("%d",&numid);

back = head;

if(head->stuid == numid)

pf = back;

back=back->next;

while(back != null)

pf = back;

back=back->next;

}printf("/n/t沒有你要刪除的學生:/n");

return head;

}display.c

#include"stdio.h"

#include"define.h"

void disp(struct stulist *head)

}insert.c

#include"stdio.h"

#include"stdlib.h"

#include"define.h"

extern count;

struct stulist * insert(struct stulist *head)

printf("/n/t請輸入要插入的位置:");

scanf("%d",&numid);

pc = head;

while (pc !=null)

back=pc;

pc=pc->next;

}pi->next=null;

back->next=pi;

count++;

return head;

}linklist.c

#include"stdio.h"

#include"choicetxt.h"

#include"define.h"

int count=0;

struct stulist *creat();

void disp(struct stulist *head);

struct stulist *insert(struct stulist *head);

struct stulist *dele(struct stulist *head);

void main()

else

case 3:

head=insert(head);

break;

case 4:

head = dele(head);

break;

case 5:

return;}}

} 

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